public static void SeedDatabase(SmartHomeDbContext context)
{
context.Database.EnsureCreated();
SeedManufacturers(context);
SeedDevices(context);
}
private static void SeedManufacturers(SmartHomeDbContext context)
{
if (context.Manufacturers.Any())
{
return;
}
context.Manufacturers.AddRange(
new Manufacturer
{
Name = "Microsoft"
},
new Manufacturer
{
Name = "Apple"
}
);
context.SaveChanges();
}
public static void SeedDevices(SmartHomeDbContext context)
{
if (context.Devices.Any())
{
return;
}
const int deviceCountPerManufacturer = 10;
foreach (var manufacturer in context.Manufacturers)
{
var devices = Enumerable.Range(1, deviceCountPerManufacturer)
.Select(n => new Device
{
Name = $"{manufacturer.Name} Device {n}",
Manufacturer = manufacturer
});
context.AddRange(devices);
}
context.SaveChanges();
}